E-Space · 2 weeks ago
Wireless Test Engineer – 4G/5G PHY & Stack
Arlington, TX
Full-time
Onsite
Senior Level
5+ years expE-Space is a company focused on bridging Earth and space to enable IoT solutions and services. They are seeking a Wireless Test Engineer to validate next-generation 4G/5G communications systems, owning the test environment and strategy for wireless features, and collaborating with cross-functional teams to ensure high-reliability deployments.
Information ServicesSatellite Communication
No H1B
Responsibilities
Set up and maintain the scripting and automation environment around wireless test setups (lab and HIL)
Derive, design, and implement test cases for 3GPP Stack and PHY-level features (LTE and preferably 5G NR)
Develop Python (and/or equivalent) scripts to automate test execution, log collection, and result analysis; contribute light C code where needed
Perform software regression testing to validate new features, bug fixes, and releases
Analyze test logs and pcap files to perform detailed failure analysis, identify root causes, and provide clear remediation recommendations
Use wireless measurement and channel emulation equipment (e.g., Amarisoft, Viavi, Propsim, Spirent, Keysight, Rohde & Schwarz) to execute and debug test scenarios
Track defects and issues using an issue-tracking system such as Jira, driving them through the full lifecycle with clear, reproducible descriptions
Prepare and deliver concise test reports, maintain test repositories, and contribute to continuous improvement of test coverage and quality processes
Collaborate closely with cross-functional teams (SW, FW, RF, systems, product) to ensure testability is designed into new features from the outset
Qualification
Required
Bachelor's or Master's degree in Electrical Engineering, Communication Theory, Software Engineering/Development, or a related field
5+ years of hands-on test engineering experience in wireless technology
Documented experience testing 3GPP Stack and PHY systems, with strong expertise in LTE and preferably 5G NR
Proficiency in Python scripting (or equivalent automation language), with familiarity in C
Practical experience using wireless test and measurement tools such as Amarisoft, Viavi, Propsim, Spirent, Keysight, Rohde & Schwarz, or similar
Experience with issue-tracking systems (e.g., Jira) and structured test processes
Strong skills in analyzing logs and pcap captures, performing structured failure analysis, and clearly documenting findings
Excellent communication skills and the ability to work in a fast-moving, cross-disciplinary environment
Preferred
Experience testing satellite, non-terrestrial networks (NTN), or other mission-critical wireless systems
Background in test architecture for HIL systems or large-scale automated regression frameworks
Familiarity with CI/CD pipelines and integrating automated tests into build/release processes
Experience in a startup or fast-paced R&D environment
Benefits
Health and wellness care options
Financial solutions for the future
Optional legal services (US only)
Paid holidays
Paid time off
Company
E-Space
E-Space is bridging Earth & space with the most sustainable LEO space system, delivering real-time, anywhere comms, IoT & Smart-IoT services
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$50MKey Investors
Prime Movers Lab
2024-10-01Series Unknown
2022-02-07Seed· $50M
Leadership Team
Cindy (Huimin) Du
Chief Financial Officer
Recent News
2025-08-29
Company data provided by crunchbase